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338 Cardio-pulmonary-resuscitation quality in out-of-hospital cardiac arrest – effect of real-time feedback
  1. RM Lyngby1,2,
  2. F Folke1,3,4,
  3. RM Oelrich1,
  4. D Nikoletou2,
  5. T Quinn2
  1. 1Copenhagen Emergency Medical Services, Copenhagen, Denmark
  2. 2Kingston University and St. Georges, University of London, London, UK
  3. 3Herlev Gentofte University Hospital, Copenhagen, Denmark
  4. 4Dept of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark

Abstract

Background Out-of-Hospital Cardiac Arrest (OHCA) is a major health problem with low survival. Cardio-Pulmonary-Resuscitation (CPR) quality is associated with survival, and includes chest compression depth (CCD), rate (CCR), and fraction (CCF) within international guideline recommendations1. In 2020 overall survival in Denmark reached 16% placing Denmark as one of the leading countries for OHCA survival. The aim of this study was to examine the effect on CPR quality with the introduction of real-time CPR feedback in a high OHCA survival area, as well as the effect of adding post-event clinical debriefings.

Method This cohort study collected non-traumatic OHCA data from ambulances within the Capital Region of Denmark using ZOLL X-series defibrillator. Three variables; CCD, CCR and CCF were collected on three consecutive phases: Phase one (no feedback) from October 2018 to May 2019; Phase two (real-time feedback) from May 2019 to February 2020 and phase three (real-time + post-event debriefings) from February 2020 to December 2020. Data were compared against guidelines at each phase.

Results We included 1545 patients. Preliminary results revealed guideline compliant CCD in 21.8% of the compressions (no feedback) compared to 30.9% (real-time feedback) and 33.0% (real-time + post-event feedback). For CCR the results were 60.2%/ 74.6%/ 75.1% respectively. Combination of guideline compliant CCD and CCR simultaneously was 13.6%/ 23.3%/ 25.8% respectively. CCF was 76.8%/ 80.9%/ 81.3% respectively.

Conclusion Real-time feedback and post-event clinical debriefings have the potential to improve EMS CPR quality in a high survival OHCA area.

Reference

  1. Perkins GD. et al. (2021) ‘European Resuscitation Council Guidelines 2021: Executive summary’, Resuscitation, 161, pp. 1–60. doi:10.1016/j.resuscitation.2021.02.003.

Conflict of interest None.

Funding TrygFoundation.

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